Work Function of Diode (Richardson Law (AE 209)

Get a Price/Quote

Product Details:

Usage Measurement of work function of metal/semiconductor using diode and Richardson Law
Voltage 230 V AC, 50 Hz
Power 50 W
Display Digital Meter
Product Type Educational Physics Experiment Apparatus
Material Aluminium & MS Powder Coated
Design Compact modular design
Click to view more
Share Your Product:

Request To Call Back Send Inquiry

Work Function of Diode (Richardson Law (AE 209) Price And Quantity

Minimum Order Quantity 1 Unit

Cathode Directly heated filament, removable
Connections Banana socket terminals
Experimental Range Work function up to 5 eV
Application Physics laboratory, electronic work function measurement, educational research
Observation Multi-step variable voltage control for accurate plotting
Operating Temperature Range Room temperature to 800°C (cathode heating)
Accessories Supplied Set of connecting leads, user manual, thermionic diode
Diode Type High vacuum thermal diode with replaceable cathode
Measurement Principle Richardson Law (thermionic emission method)

Work Function of Diode (Richardson Law (AE 209) Product Specifications

Power Source Mains Electricity
Weight Approx. 5 kg
Detector Photoelectric Diode
Dimension (L*W*H) 310 mm x 250 mm x 130 mm
Illuminant Filament Bulb (incandescent)
Accuracy 1% or better
Charging Time Approx. 30 minutes
Power 50 W
Design Compact modular design
Material Aluminium & MS Powder Coated
Display Digital Meter
Product Type Educational Physics Experiment Apparatus
Usage Measurement of work function of metal/semiconductor using diode and Richardson Law
Voltage 230 V AC, 50 Hz

Cathode Directly heated filament, removable
Connections Banana socket terminals
Experimental Range Work function up to 5 eV
Application Physics laboratory, electronic work function measurement, educational research
Observation Multi-step variable voltage control for accurate plotting
Operating Temperature Range Room temperature to 800°C (cathode heating)
Accessories Supplied Set of connecting leads, user manual, thermionic diode
Diode Type High vacuum thermal diode with replaceable cathode
Measurement Principle Richardson Law (thermionic emission method)

Work Function of Diode (Richardson Law (AE 209) Trade Information

Supply Ability 5 Unit Per Week
Delivery Time 4-5 Days
Main Export Market(s) Australia, South America, Eastern Europe, Western Europe, Middle East, Asia, Central America, North America, Africa
Main Domestic Market All India

Product Description

Work Function of Diode (Richardson Law (AE 209)

Objective :To draw the graphs between heater current vs heater resistance, Anode voltage vs anode current.

Features : Instrument comprises of DC Regulated power supply of 0-6 V & 0-300 V. Two volt meters & two current meters are mounted on the front panel. Valve diagram is printed on the panel & connection are brought out on sockets/terminals.

Versatile Experimental Range and Precision

This apparatus supports the precise measurement of work functions up to 5 eV, aligning with advanced physics laboratory and research needs. Its multi-step voltage control and digital display enable accurate extraction of thermionic emission data, supported by 1% or better accuracy. The compact, modular design enhances versatility for various educational and experimental setups.

User-Friendly Design for Laboratory Applications

Its high vacuum thermal diode with a removable, directly heated filament cathode ensures straightforward maintenance and customization for different materials. Banana socket terminals, a complete set of accessories, and a clear user manual streamline setup and operation, making it suitable both for teaching and advanced experimentation.

FAQs of Work Function of Diode (Richardson Law (AE 209):

Q: How does the Richardson Law method measure the work function using this diode apparatus?

A: The apparatus employs the thermionic emission method based on Richardsons Law. By heating the cathode to high temperatures (up to 800C), electrons are emitted according to the metals work function. The resulting current is measured and analyzed via the digital meter and voltage control, which allows for precise plotting and calculation of the work function.

Q: What is the main benefit of the replaceable cathode design?

A: The removable, directly heated filament cathode makes it easy to test different materials or replace worn components, allowing repeated and varied experiments without the need to replace the entire device, thus extending its usability and cost-effectiveness in laboratory settings.

Q: When is this apparatus typically used, and for what applications?

A: It is commonly used in academic and research institutions for physics education, work function measurements, and experiments involving electronic emission. Its precision and flexibility make it suitable for both basic instructional labs and advanced research projects focused on electronic work functions.

Q: Where can this apparatus be implemented and who are its typical users?

A: This work function measurement system is ideal for physics laboratories, university teaching environments, and research facilities. It serves educators, students, and researchers interested in exploring electron emission and material science.

Q: What is the process of setting up and operating the apparatus?

A: To operate, connect the components using the provided leads, ensure the cathode is properly installed, and plug into a 230 V AC supply. Adjust the cathode heating to the desired temperature using the variable control, and conduct measurements as indicated in the user manual. Data is collected and displayed digitally for analysis.

Q: How does multi-step variable voltage control enhance experiment accuracy?

A: The multi-step variable voltage control allows for fine regulation of the electrical potential applied to the diode, enabling precise mapping of current versus temperature or voltage. This control aids in gathering detailed data essential for accurate determination of the work function.

Tell us about your requirement

Price:

Quantity

Select Unit

50
100
200
250
500
1000+

Additional detail

Mobile number

Other Products in 'Analog Lab Training Modules' category

Semiconductor Characteristics Trainer Minimum Order Quantity : 1 Voltage : 030V Variable Product Type : Trainer Kit Usage : For studying characteristics of various semiconductor devices Material : Metal and Highgrade ABS Plastic Display : Analog & Digital Meters Power : AC Mains Powered (220V, 50Hz) Design : Compact, Tabletop with Clear Labeling Dimension (L*W*H) : 350 x 250 x 100 mm Accuracy : High, suitable for laboratory and educational purposes Detector : Semiconductor Power Source : Electric Mains Weight : Approx. 2.5 kg Charging Time : Not Applicable (Direct Mains Powered)

Send Inquiry

Ionization Potential of Mercury Minimum Order Quantity : 1 Voltage : 220 V AC Product Type : Ionization Potential Apparatus Usage : Laboratory Measurement Material : Stainless Steel & Glass Display : Analog Scale Power : 50 W Design : Compact & Portable Dimension (L*W*H) : 25 cm x 16 cm x 8 cm Accuracy : 0.01 eV Detector : Electrostatic Analyzer Power Source : Electric Weight : 2.6 kg

Send Inquiry

RC Circuit as High Pass and Low Pass Filters Minimum Order Quantity : 1 Voltage : Typically operates at low DC or AC voltages (3V15V recommended) Product Type : Analog Electronic Circuit Kit Usage : Educational demonstration, filter experimentation, frequency response analysis Material : Resistors (Carbon/Metal Film), Capacitors (Electrolytic/Ceramic), PCB or Breadboard Display : No integrated display; external oscilloscope or voltmeter required Power : Passive, does not require external power Design : Standard RC highpass and lowpass passive configuration Dimension (L*W*H) : Configurable breadboard or PCBspecific; typical learning kit size approx 10cm x 7cm x 3cm Accuracy : Based on component tolerance, typically 5% with standard resistors and capacitors Detector : Not applicable (Analog passive circuit) Power Source : Not required (passive circuit) Weight : Approx. 50g120g, varies by kit Charging Time : RC time constant defines response time, user configurable

Send Inquiry

Boltzman Constant Kit Minimum Order Quantity : 1 Voltage : 220V AC, 50Hz Product Type : Boltzmann Constant Measurement Kit Usage : Laboratory and Educational Experiments Material : Metal & ABS Plastic Display : Digital LCD Display Power : 12V DC Adapter Design : TableTop Modular Dimension (L*W*H) : 340 x 180 x 125 mm Accuracy : High Precision Detector : Thermistor Sensor Power Source : External Power Supply Weight : Approx. 2 Kg Charging Time : Not Applicable (Mains Powered)

Send Inquiry

SEND INQUIRY CALL ME FREE